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It looks as though the natural gas boom is here to stay. A new study of the Barnett Shale in Texas, one of the country's largest natural gas fields, predicts there is enough gas there to last three decades. And the finding show how fracking technology has fundamentally changed the energy picture. Here's NPR's Wade Goodwyn.
WADE GOODWYN, BYLINE: There are few things in life more joyful than discovering a giant oil or natural gas field in Texas. You're rich beyond your wildest dreams. When the scope and size of the natural gas reservoir in the Barnett Shale in North Texas first became apparent, there were predictions that the find would last 100 years.
No, that was over the top. But University of Texas geology professor Scott Tinker, who designed and authored the Barnett Shale study, says there's still a lot of gas down there even after a decade of drilling.
SCOTT TINKER: It turns out what we learned is that there's a lot of good rock left to drill.
GOODWYN: The Barnett Shale is currently producing an astonishing 2 trillion cubic feet of natural gas every year. Tinker doesn't believe this rate will increase, but he believes the reservoir will last another 25 years.
TINKER: And, you know, it probably is reaching its plateau of production, which is about 10 percent of the U.S. demand. So in that total production, where you've produced somewhere around 13 trillion cubic feet so far today, we still see another 25 or 30 more trillion cubic feet of gas throughout the life of that field.
GOODWYN: You would think with the amazing leaps in imaging technology these days that there wouldn't be thousands of wells drilled in the Barnett Shale that come up dry like the oil wildcatters in the '30s, '40s and '50s in East and West Texas. Tinker says you would be wrong.
TINKER: It is kind of like the old wildcatter days. These unconventional reservoirs are pretty new to the scene. And as the natural gas price was high not that long ago, it really pushed the edges of this field.
GOODWYN: That means there are a lot of North Texas landowners driving around in brand new pickup trucks because the energy companies have leased their land even though it turns out there's little or no gas underneath. As fracking and the production of natural gas have increased so have concerns about the environmental impact. But this study focused on future production of shale-produced gas.
SCOTT ANDERSON: It's a very thorough and impressive study.
TINKER: Scott Anderson is the senior policy advisor for the Environmental Defense Fund who specializes in natural gas. Anderson says the study paves the way for increased production of electricity from a commodity that in the past has been seen as unreliable and volatile.
ANDERSON: This study does take a large step toward reassuring those people who are interested in banking on gas that the shale revolution is real and that it can be expected that large quantities of gas will persist for a long time at fairly moderate prices.
GOODWYN: In fact, shale production nationally has been so vigorous that natural gas prices have dropped below $4 per million BTUs. That's generally considered the price point at which many gas wells become profitable. But with trillions of cubic feet of natural gas waiting to be extracted, prices aren't expected to rise unless the U.S. begins to export substantially. Wade Goodwyn, NPR News, Dallas.
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